74476830 has 32 divisors (see below), whose sum is σ = 189260064. Its totient is φ = 18692096.

The previous prime is 74476807. The next prime is 74476837. The reversal of 74476830 is 3867447.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74476837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72507 + ... + 73526.

It is an arithmetic number, because the mean of its divisors is an integer number (5914377).

Almost surely, 2^74476830 is an apocalyptic number.

74476830 is an abundant number, since it is smaller than the sum of its proper divisors (114783234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74476830 is a wasteful number, since it uses less digits than its factorization.

74476830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146060.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 74476830 is about 8629.9959443791. The cubic root of 74476830 is about 420.7334689244.

The spelling of 74476830 in words is "seventy-four million, four hundred seventy-six thousand, eight hundred thirty".